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<head>
  <meta charset="UTF-8">
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  <title>Document</title>
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  <script>
       const makeMultiplier = num1 => {
                let res=0
               const fn = num2 => {
                 res = num1*num2
                 return res
               }
               return fn
       }
  
const multiplyByThree = makeMultiplier(3);
console.log(multiplyByThree(5));
console.log(multiplyByThree(10));

  </script>
</body>
</html>